Model and schedule resource-sharing activities in repetitive projects using concept of the Sequence Step Algorithm
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The document discusses resource-sharing activities within repetitive projects, focusing on scheduling and managing shared resources. It highlights the importance of determining arrival dates, managing idle time, and the sequence of resource allocation while considering various factors like production rates and precedence relationships. It also covers challenges and solutions for minimizing idle time in shared resources and poses questions regarding potential changes in working sequences after resource assignment.
Model and schedule resource-sharing activities in repetitive projects using concept of the Sequence Step Algorithm
- 1. (V) Resource-Sharing Activities 1 RESOURCE-SHARING ACTIVITIES IN REPETITIVE PROJECTS Model and schedule resource-sharing activities for the Sequence Step Algorithm Presented by Chachrist Srisuwanrat 2008
- 2. (V) Resource-Sharing Activities 2 4. RESOURCE-SHARING ACTIVITIES Activities sharing one or more resources, called “resource-sharing activities” “Shared Resources” How to schedule shared resources? What could be the problems?
- 3. (V) Resource-Sharing Activities 3 Examples of Repetitive Projects with Resource-Sharing Activities
- 4. (V) Resource-Sharing Activities 4 Considerations When Scheduling Resource-Sharing Activities Need to collect CIT and determine CLT • In which sequence step? Need to delay resources’ arrival dates to eliminate idle time • Can the idle time in shared resources be eliminated? Need to allocate shared resource to activities • Which resource-sharing activity gets the shared resource first? Imposing CLT might change: • CIT for the shared resource itself and of other resources • Working sequences for the shared resource? Supplementary Presentation V
- 5. (V) Resource-Sharing Activities 5 Scheduling Resource-Sharing Activities When using SQS-AL to schedule repetitive projects with resource-sharing activities, schedulers must pay attention to: • Increasing idle time from SQS to SQS • Changes in work sequence for shared resources • Slow production rates of dependents between the resource-sharing activities • Precedence relationships between resource-sharing activities (e.g., direct or indirect) • Proximity of start dates for resource-sharing activities • Effect of assigning CLT on their dependents
- 6. (V) Resource-Sharing Activities 6 (a) Determine CLTXY in SQS2 (b) Determine CLTXY in SQS3 In Which SQS? (SQS2 or SQS3) Activities X and Y share the same Resource ResXY.
- 7. (V) Resource-Sharing Activities 7 Can the idle time in shared be eliminated? (a) Determine CLTXY in SQS2 (b) Determine CLTXY in SQS4
- 8. (V) Resource-Sharing Activities 8 (a) Using two dedicated resources (b) Introducing a work break (c) Speeding Activity B (d) Lowering Activities X and Y Solutions for shared resources when their idle time cannot be eliminated
- 9. (V) Resource-Sharing Activities 9 Does the working sequences change after assigning CLT?